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<?php $ao = new ArrayObject([2, 3, 8, 9]); var_dump(array_walk_recursive($ao->toArray(), function($item, $key){ echo $key . ' => ' . $item . PHP_EOL; }));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Call to undefined method ArrayObject::toArray() in /in/16eku:5 Stack trace: #0 {main} thrown in /in/16eku on line 5
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Call to undefined method ArrayObject::toArray() in /in/16eku on line 5
Process exited with code 255.
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184.85 ms | 402 KiB | 212 Q